diff --git a/msg/json/ja.json b/msg/json/ja.json
index 4560bc130..b85adf44b 100644
--- a/msg/json/ja.json
+++ b/msg/json/ja.json
@@ -6,6 +6,7 @@
 			"Gulpin",
 			"Kebhr",
 			"Kkairri",
+			"MagicAho",
 			"Oda",
 			"Omotecho",
 			"Otokoume",
@@ -123,7 +124,7 @@
 	"LOGIC_TERNARY_IF_FALSE": "false の場合",
 	"LOGIC_TERNARY_TOOLTIP": "'テスト' の条件をチェックします。条件が true の場合、'true' の値を返します。それ以外の場合 'false' のを返します。",
 	"MATH_NUMBER_HELPURL": "https://ja.wikipedia.org/wiki/数",
-	"MATH_NUMBER_TOOLTIP": "数です。",
+	"MATH_NUMBER_TOOLTIP": "数字。",
 	"MATH_TRIG_SIN": "sin",
 	"MATH_TRIG_COS": "cos",
 	"MATH_TRIG_TAN": "tan",